diff options
Diffstat (limited to 'arch/ppc/boot/simple/embed_config.c')
| -rw-r--r-- | arch/ppc/boot/simple/embed_config.c | 938 |
1 files changed, 0 insertions, 938 deletions
diff --git a/arch/ppc/boot/simple/embed_config.c b/arch/ppc/boot/simple/embed_config.c deleted file mode 100644 index 3b46792d7b8b..000000000000 --- a/arch/ppc/boot/simple/embed_config.c +++ /dev/null @@ -1,938 +0,0 @@ -/* Board specific functions for those embedded 8xx boards that do - * not have boot monitor support for board information. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <linux/types.h> -#include <linux/string.h> -#include <asm/reg.h> -#ifdef CONFIG_8xx -#include <asm/mpc8xx.h> -#endif -#ifdef CONFIG_8260 -#include <asm/mpc8260.h> -#include <asm/immap_cpm2.h> -#endif -#ifdef CONFIG_40x -#include <asm/io.h> -#endif -#ifdef CONFIG_XILINX_VIRTEX -#include <platforms/4xx/xparameters/xparameters.h> -#endif -extern unsigned long timebase_period_ns; - -/* For those boards that don't provide one. -*/ -#if !defined(CONFIG_MBX) -static bd_t bdinfo; -#endif - -/* IIC functions. - * These are just the basic master read/write operations so we can - * examine serial EEPROM. - */ -extern void iic_read(uint devaddr, u_char *buf, uint offset, uint count); - -/* Supply a default Ethernet address for those eval boards that don't - * ship with one. This is an address from the MBX board I have, so - * it is unlikely you will find it on your network. - */ -static ushort def_enet_addr[] = { 0x0800, 0x3e26, 0x1559 }; - -#if defined(CONFIG_MBX) - -/* The MBX hands us a pretty much ready to go board descriptor. This - * is where the idea started in the first place. - */ -void -embed_config(bd_t **bdp) -{ - u_char *mp; - u_char eebuf[128]; - int i = 8; - bd_t *bd; - - bd = *bdp; - - /* Read the first 128 bytes of the EEPROM. There is more, - * but this is all we need. - */ - iic_read(0xa4, eebuf, 0, 128); - - /* All we are looking for is the Ethernet MAC address. The - * first 8 bytes are 'MOTOROLA', so check for part of that. - * Next, the VPD describes a MAC 'packet' as being of type 08 - * and size 06. So we look for that and the MAC must follow. - * If there are more than one, we still only care about the first. - * If it's there, assume we have a valid MAC address. If not, - * grab our default one. - */ - if ((*(uint *)eebuf) == 0x4d4f544f) { - while (i < 127 && !(eebuf[i] == 0x08 && eebuf[i + 1] == 0x06)) - i += eebuf[i + 1] + 2; /* skip this packet */ - - if (i == 127) /* Couldn't find. */ - mp = (u_char *)def_enet_addr; - else - mp = &eebuf[i + 2]; - } - else - mp = (u_char *)def_enet_addr; - - for (i=0; i<6; i++) - bd->bi_enetaddr[i] = *mp++; - - /* The boot rom passes these to us in MHz. Linux now expects - * them to be in Hz. - */ - bd->bi_intfreq *= 1000000; - bd->bi_busfreq *= 1000000; - - /* Stuff a baud rate here as well. - */ - bd->bi_baudrate = 9600; -} -#endif /* CONFIG_MBX */ - -#if defined(CONFIG_RPXLITE) || defined(CONFIG_RPXCLASSIC) || \ - defined(CONFIG_RPX8260) || defined(CONFIG_EP405) -/* Helper functions for Embedded Planet boards. -*/ -/* Because I didn't find anything that would do this....... -*/ -u_char -aschex_to_byte(u_char *cp) -{ - u_char byte, c; - - c = *cp++; - - if ((c >= 'A') && (c <= 'F')) { - c -= 'A'; - c += 10; - } else if ((c >= 'a') && (c <= 'f')) { - c -= 'a'; - c += 10; - } else - c -= '0'; - - byte = c * 16; - - c = *cp; - - if ((c >= 'A') && (c <= 'F')) { - c -= 'A'; - c += 10; - } else if ((c >= 'a') && (c <= 'f')) { - c -= 'a'; - c += 10; - } else - c -= '0'; - - byte += c; - - return(byte); -} - -static void -rpx_eth(bd_t *bd, u_char *cp) -{ - int i; - - for (i=0; i<6; i++) { - bd->bi_enetaddr[i] = aschex_to_byte(cp); - cp += 2; - } -} - -#ifdef CONFIG_RPX8260 -static uint -rpx_baseten(u_char *cp) -{ - uint retval; - - retval = 0; - - while (*cp != '\n') { - retval *= 10; - retval += (*cp) - '0'; - cp++; - } - return(retval); -} -#endif - -#if defined(CONFIG_RPXLITE) || defined(CONFIG_RPXCLASSIC) -static void -rpx_brate(bd_t *bd, u_char *cp) -{ - uint rate; - - rate = 0; - - while (*cp != '\n') { - rate *= 10; - rate += (*cp) - '0'; - cp++; - } - - bd->bi_baudrate = rate * 100; -} - -static void -rpx_cpuspeed(bd_t *bd, u_char *cp) -{ - uint num, den; - - num = den = 0; - - while (*cp != '\n') { - num *= 10; - num += (*cp) - '0'; - cp++; - if (*cp == '/') { - cp++; - den = (*cp) - '0'; - break; - } - } - - /* I don't know why the RPX just can't state the actual - * CPU speed..... - */ - if (den) { - num /= den; - num *= den; - } - bd->bi_intfreq = bd->bi_busfreq = num * 1000000; - - /* The 8xx can only run a maximum 50 MHz bus speed (until - * Motorola changes this :-). Greater than 50 MHz parts - * run internal/2 for bus speed. - */ - if (num > 50) - bd->bi_busfreq /= 2; -} -#endif - -#if defined(CONFIG_RPXLITE) || defined(CONFIG_RPXCLASSIC) || defined(CONFIG_EP405) -static void -rpx_memsize(bd_t *bd, u_char *cp) -{ - uint size; - - size = 0; - - while (*cp != '\n') { - size *= 10; - size += (*cp) - '0'; - cp++; - } - - bd->bi_memsize = size * 1024 * 1024; -} -#endif /* LITE || CLASSIC || EP405 */ -#if defined(CONFIG_EP405) -static void -rpx_nvramsize(bd_t *bd, u_char *cp) -{ - uint size; - - size = 0; - - while (*cp != '\n') { - size *= 10; - size += (*cp) - '0'; - cp++; - } - - bd->bi_nvramsize = size * 1024; -} -#endif /* CONFIG_EP405 */ - -#endif /* Embedded Planet boards */ - -#if defined(CONFIG_RPXLITE) || defined(CONFIG_RPXCLASSIC) - -/* Read the EEPROM on the RPX-Lite board. -*/ -void -embed_config(bd_t **bdp) -{ - u_char eebuf[256], *cp; - bd_t *bd; - - /* Read the first 256 bytes of the EEPROM. I think this - * is really all there is, and I hope if it gets bigger the - * info we want is still up front. - */ - bd = &bdinfo; - *bdp = bd; - -#if 1 - iic_read(0xa8, eebuf, 0, 128); - iic_read(0xa8, &eebuf[128], 128, 128); - - /* We look for two things, the Ethernet address and the - * serial baud rate. The records are separated by - * newlines. - */ - cp = eebuf; - for (;;) { - if (*cp == 'E') { - cp++; - if (*cp == 'A') { - cp += 2; - rpx_eth(bd, cp); - } - } - if (*cp == 'S') { - cp++; - if (*cp == 'B') { - cp += 2; - rpx_brate(bd, cp); - } - } - if (*cp == 'D') { - cp++; - if (*cp == '1') { - cp += 2; - rpx_memsize(bd, cp); - } - } - if (*cp == 'H') { - cp++; - if (*cp == 'Z') { - cp += 2; - rpx_cpuspeed(bd, cp); - } - } - - /* Scan to the end of the record. - */ - while ((*cp != '\n') && (*cp != 0xff)) - cp++; - - /* If the next character is a 0 or ff, we are done. - */ - cp++; - if ((*cp == 0) || (*cp == 0xff)) - break; - } - bd->bi_memstart = 0; -#else - /* For boards without initialized EEPROM. - */ - bd->bi_memstart = 0; - bd->bi_memsize = (8 * 1024 * 1024); - bd->bi_intfreq = 48000000; - bd->bi_busfreq = 48000000; - bd->bi_baudrate = 9600; -#endif -} -#endif /* RPXLITE || RPXCLASSIC */ - -#ifdef CONFIG_BSEIP -/* Build a board information structure for the BSE ip-Engine. - * There is more to come since we will add some environment - * variables and a function to read them. - */ -void -embed_config(bd_t **bdp) -{ - u_char *cp; - int i; - bd_t *bd; - - bd = &bdinfo; - *bdp = bd; - - /* Baud rate and processor speed will eventually come - * from the environment variables. - */ - bd->bi_baudrate = 9600; - - /* Get the Ethernet station address from the Flash ROM. - */ - cp = (u_char *)0xfe003ffa; - for (i=0; i<6; i++) { - bd->bi_enetaddr[i] = *cp++; - } - - /* The rest of this should come from the environment as well. - */ - bd->bi_memstart = 0; - bd->bi_memsize = (16 * 1024 * 1024); - bd->bi_intfreq = 48000000; - bd->bi_busfreq = 48000000; -} -#endif /* BSEIP */ - -#ifdef CONFIG_FADS -/* Build a board information structure for the FADS. - */ -void -embed_config(bd_t **bdp) -{ - u_char *cp; - int i; - bd_t *bd; - - bd = &bdinfo; - *bdp = bd; - - /* Just fill in some known values. - */ - bd->bi_baudrate = 9600; - - /* Use default enet. - */ - cp = (u_char *)def_enet_addr; - for (i=0; i<6; i++) { - bd->bi_enetaddr[i] = *cp++; - } - - bd->bi_memstart = 0; - bd->bi_memsize = (8 * 1024 * 1024); - bd->bi_intfreq = 40000000; - bd->bi_busfreq = 40000000; -} -#endif /* FADS */ - -#ifdef CONFIG_8260 -/* Compute 8260 clock values if the rom doesn't provide them. - */ -static unsigned char bus2core_8260[] = { -/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - 3, 2, 2, 2, 4, 4, 5, 9, 6, 11, 8, 10, 3, 12, 7, 2, - 6, 5, 13, 2, 14, 4, 15, 2, 3, 11, 8, 10, 16, 12, 7, 2, -}; - -static void -clk_8260(bd_t *bd) -{ - uint scmr, vco_out, clkin; - uint plldf, pllmf, corecnf; - volatile cpm2_map_t *ip; - - ip = (cpm2_map_t *)CPM_MAP_ADDR; - scmr = ip->im_clkrst.car_scmr; - - /* The clkin is always bus frequency. - */ - clkin = bd->bi_busfreq; - - /* Collect the bits from the scmr. - */ - plldf = (scmr >> 12) & 1; - pllmf = scmr & 0xfff; - corecnf = (scmr >> 24) &0x1f; - - /* This is arithmetic from the 8260 manual. - */ - vco_out = clkin / (plldf + 1); - vco_out *= 2 * (pllmf + 1); - bd->bi_vco = vco_out; /* Save for later */ - - bd->bi_cpmfreq = vco_out / 2; /* CPM Freq, in MHz */ - bd->bi_intfreq = bd->bi_busfreq * bus2core_8260[corecnf] / 2; - - /* Set Baud rate divisor. The power up default is divide by 16, - * but we set it again here in case it was changed. - */ - ip->im_clkrst.car_sccr = 1; /* DIV 16 BRG */ - bd->bi_brgfreq = vco_out / 16; -} - -static unsigned char bus2core_8280[] = { -/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - 3, 2, 2, 2, 4, 4, 5, 9, 6, 11, 8, 10, 3, 12, 7, 2, - 6, 5, 13, 2, 14, 2, 15, 2, 3, 2, 2, 2, 16, 2, 2, 2, -}; - -static void -clk_8280(bd_t *bd) -{ - uint scmr, main_clk, clkin; - uint pllmf, corecnf; - volatile cpm2_map_t *ip; - - ip = (cpm2_map_t *)CPM_MAP_ADDR; - scmr = ip->im_clkrst.car_scmr; - - /* The clkin is always bus frequency. - */ - clkin = bd->bi_busfreq; - - /* Collect the bits from the scmr. - */ - pllmf = scmr & 0xf; - corecnf = (scmr >> 24) & 0x1f; - - /* This is arithmetic from the 8280 manual. - */ - main_clk = clkin * (pllmf + 1); - - bd->bi_cpmfreq = main_clk / 2; /* CPM Freq, in MHz */ - bd->bi_intfreq = bd->bi_busfreq * bus2core_8280[corecnf] / 2; - - /* Set Baud rate divisor. The power up default is divide by 16, - * but we set it again here in case it was changed. - */ - ip->im_clkrst.car_sccr = (ip->im_clkrst.car_sccr & 0x3) | 0x1; - bd->bi_brgfreq = main_clk / 16; -} -#endif - -#ifdef CONFIG_SBC82xx -void -embed_config(bd_t **bdp) -{ - u_char *cp; - int i; - bd_t *bd; - unsigned long pvr; - - bd = *bdp; - - bd = &bdinfo; - *bdp = bd; - bd->bi_baudrate = 9600; - bd->bi_memsize = 256 * 1024 * 1024; /* just a guess */ - - cp = (void*)SBC82xx_MACADDR_NVRAM_SCC1; - memcpy(bd->bi_enetaddr, cp, 6); - - /* can busfreq be calculated? */ - pvr = mfspr(SPRN_PVR); - if ((pvr & 0xffff0000) == 0x80820000) { - bd->bi_busfreq = 100000000; - clk_8280(bd); - } else { - bd->bi_busfreq = 66000000; - clk_8260(bd); - } - -} -#endif /* SBC82xx */ - -#if defined(CONFIG_EST8260) || defined(CONFIG_TQM8260) -void -embed_config(bd_t **bdp) -{ - u_char *cp; - int i; - bd_t *bd; - - bd = *bdp; -#if 0 - /* This is actually provided by my boot rom. I have it - * here for those people that may load the kernel with - * a JTAG/COP tool and not the rom monitor. - */ - bd->bi_baudrate = 115200; - bd->bi_intfreq = 200000000; - bd->bi_busfreq = 66666666; - bd->bi_cpmfreq = 66666666; - bd->bi_brgfreq = 33333333; - bd->bi_memsize = 16 * 1024 * 1024; -#else - /* The boot rom passes these to us in MHz. Linux now expects - * them to be in Hz. - */ - bd->bi_intfreq *= 1000000; - bd->bi_busfreq *= 1000000; - bd->bi_cpmfreq *= 1000000; - bd->bi_brgfreq *= 1000000; -#endif - - cp = (u_char *)def_enet_addr; - for (i=0; i<6; i++) { - bd->bi_enetaddr[i] = *cp++; - } -} -#endif /* EST8260 */ - -#ifdef CONFIG_SBS8260 -void -embed_config(bd_t **bdp) -{ - u_char *cp; - int i; - bd_t *bd; - - /* This should provided by the boot rom. - */ - bd = &bdinfo; - *bdp = bd; - bd->bi_baudrate = 9600; - bd->bi_memsize = 64 * 1024 * 1024; - - /* Set all of the clocks. We have to know the speed of the - * external clock. The development board had 66 MHz. - */ - bd->bi_busfreq = 66666666; - clk_8260(bd); - - /* I don't know how to compute this yet. - */ - bd->bi_intfreq = 133000000; - - - cp = (u_char *)def_enet_addr; - for (i=0; i<6; i++) { - bd->bi_enetaddr[i] = *cp++; - } -} -#endif /* SBS8260 */ - -#ifdef CONFIG_RPX8260 -void -embed_config(bd_t **bdp) -{ - u_char *cp, *keyvals; - int i; - bd_t *bd; - - keyvals = (u_char *)*bdp; - - bd = &bdinfo; - *bdp = bd; - - /* This is almost identical to the RPX-Lite/Classic functions - * on the 8xx boards. It would be nice to have a key lookup - * function in a string, but the format of all of the fields - * is slightly different. - */ - cp = keyvals; - for (;;) { - if (*cp == 'E') { - cp++; - if (*cp == 'A') { - cp += 2; - rpx_eth(bd, cp); - } - } - if (*cp == 'S') { - cp++; - if (*cp == 'B') { - cp += 2; - bd->bi_baudrate = rpx_baseten(cp); - } - } - if (*cp == 'D') { - cp++; - if (*cp == '1') { - cp += 2; - bd->bi_memsize = rpx_baseten(cp) * 1024 * 1024; - } - } - if (*cp == 'X') { - cp++; - if (*cp == 'T') { - cp += 2; - bd->bi_busfreq = rpx_baseten(cp); - } - } - if (*cp == 'N') { - cp++; - if (*cp == 'V') { - cp += 2; - bd->bi_nvsize = rpx_baseten(cp) * 1024 * 1024; - } - } - - /* Scan to the end of the record. - */ - while ((*cp != '\n') && (*cp != 0xff)) - cp++; - - /* If the next character is a 0 or ff, we are done. - */ - cp++; - if ((*cp == 0) || (*cp == 0xff)) - break; - } - bd->bi_memstart = 0; - - /* The memory size includes both the 60x and local bus DRAM. - * I don't want to use the local bus DRAM for real memory, - * so subtract it out. It would be nice if they were separate - * keys. - */ - bd->bi_memsize -= 32 * 1024 * 1024; - - /* Set all of the clocks. We have to know the speed of the - * external clock. - */ - clk_8260(bd); - - /* I don't know how to compute this yet. - */ - bd->bi_intfreq = 200000000; -} -#endif /* RPX6 for testing */ - -#ifdef CONFIG_ADS8260 -void -embed_config(bd_t **bdp) -{ - u_char *cp; - int i; - bd_t *bd; - - /* This should provided by the boot rom. - */ - bd = &bdinfo; - *bdp = bd; - bd->bi_baudrate = 9600; - bd->bi_memsize = 16 * 1024 * 1024; - - /* Set all of the clocks. We have to know the speed of the - * external clock. The development board had 66 MHz. - */ - bd->bi_busfreq = 66666666; - clk_8260(bd); - - /* I don't know how to compute this yet. - */ - bd->bi_intfreq = 200000000; - - - cp = (u_char *)def_enet_addr; - for (i=0; i<6; i++) { - bd->bi_enetaddr[i] = *cp++; - } -} -#endif /* ADS8260 */ - -#ifdef CONFIG_WILLOW -void -embed_config(bd_t **bdp) -{ - u_char *cp; - int i; - bd_t *bd; - - /* Willow has Open Firmware....I should learn how to get this - * information from it. - */ - bd = &bdinfo; - *bdp = bd; - bd->bi_baudrate = 9600; - bd->bi_memsize = 32 * 1024 * 1024; - - /* Set all of the clocks. We have to know the speed of the - * external clock. The development board had 66 MHz. - */ - bd->bi_busfreq = 66666666; - clk_8260(bd); - - /* I don't know how to compute this yet. - */ - bd->bi_intfreq = 200000000; - - - cp = (u_char *)def_enet_addr; - for (i=0; i<6; i++) { - bd->bi_enetaddr[i] = *cp++; - } -} -#endif /* WILLOW */ - -#if defined(CONFIG_XILINX_ML300) || defined(CONFIG_XILINX_ML403) -void -embed_config(bd_t ** bdp) -{ - static const unsigned long line_size = 32; - static const unsigned long congruence_classes = 256; - unsigned long addr; - unsigned long dccr; - uint8_t* cp; - bd_t *bd; - int i; - - /* - * Invalidate the data cache if the data cache is turned off. - * - The 405 core does not invalidate the data cache on power-up - * or reset but does turn off the data cache. We cannot assume - * that the cache contents are valid. - * - If the data cache is turned on this must have been done by - * a bootloader and we assume that the cache contents are - * valid. - */ - __asm__("mfdccr %0": "=r" (dccr)); - if (dccr == 0) { - for (addr = 0; - addr < (congruence_classes * line_size); - addr += line_size) { - __asm__("dccci 0,%0": :"b"(addr)); - } - } - - bd = &bdinfo; - *bdp = bd; - bd->bi_memsize = XPAR_DDR_0_SIZE; - bd->bi_intfreq = XPAR_CORE_CLOCK_FREQ_HZ; - bd->bi_busfreq = XPAR_PLB_CLOCK_FREQ_HZ; - bd->bi_pci_busfreq = XPAR_PCI_0_CLOCK_FREQ_HZ; - - /* Copy the default ethernet address */ - cp = (u_char *)def_enet_addr; - for (i=0; i<6; i++) - bd->bi_enetaddr[i] = *cp++; - - timebase_period_ns = 1000000000 / bd->bi_tbfreq; - /* see bi_tbfreq definition in arch/ppc/platforms/4xx/xilinx_ml300.h */ -} -#endif /* CONFIG_XILINX_ML300 || CONFIG_XILINX_ML403 */ - -#ifdef CONFIG_IBM_OPENBIOS -/* This could possibly work for all treeboot roms. -*/ -#if defined(CONFIG_BUBINGA) -#define BOARD_INFO_VECTOR 0xFFF80B50 /* openbios 1.19 moved this vector down - armin */ -#else -#define BOARD_INFO_VECTOR 0xFFFE0B50 -#endif - -void -embed_config(bd_t **bdp) -{ - u_char *cp; - int i; - bd_t *bd, *treeboot_bd; - bd_t *(*get_board_info)(void) = - (bd_t *(*)(void))(*(unsigned long *)BOARD_INFO_VECTOR); -#if !defined(CONFIG_STB03xxx) - - /* shut down the Ethernet controller that the boot rom - * sometimes leaves running. - */ - mtdcr(DCRN_MALCR(DCRN_MAL_BASE), MALCR_MMSR); /* 1st reset MAL */ - while (mfdcr(DCRN_MALCR(DCRN_MAL_BASE)) & MALCR_MMSR) {}; /* wait for the reset */ - out_be32((volatile u32*)EMAC0_BASE,0x20000000); /* then reset EMAC */ -#endif - - bd = &bdinfo; - *bdp = bd; - if ((treeboot_bd = get_board_info()) != NULL) { - memcpy(bd, treeboot_bd, sizeof(bd_t)); - } - else { - /* Hmmm...better try to stuff some defaults. - */ - bd->bi_memsize = 16 * 1024 * 1024; - cp = (u_char *)def_enet_addr; - for (i=0; i<6; i++) { - /* I should probably put different ones here, - * hopefully only one is used. - */ - bd->BD_EMAC_ADDR(0,i) = *cp; - -#ifdef CONFIG_PCI - bd->bi_pci_enetaddr[i] = *cp++; -#endif - } - bd->bi_tbfreq = 200 * 1000 * 1000; - bd->bi_intfreq = 200000000; - bd->bi_busfreq = 100000000; -#ifdef CONFIG_PCI - bd->bi_pci_busfreq = 66666666; -#endif - } - /* Yeah, this look weird, but on Redwood 4 they are - * different object in the structure. Sincr Redwwood 5 - * and Redwood 6 use OpenBIOS, it requires a special value. - */ -#if defined(CONFIG_REDWOOD_5) || defined (CONFIG_REDWOOD_6) - bd->bi_tbfreq = 27 * 1000 * 1000; -#endif - timebase_period_ns = 1000000000 / bd->bi_tbfreq; -} -#endif /* CONFIG_IBM_OPENBIOS */ - -#ifdef CONFIG_EP405 -#include <linux/serial_reg.h> - -void -embed_config(bd_t **bdp) -{ - u32 chcr0; - u_char *cp; - bd_t *bd; - - /* Different versions of the PlanetCore firmware vary in how - they set up the serial port - in particular whether they - use the internal or external serial clock for UART0. Make - sure the UART is in a known state. */ - /* FIXME: We should use the board's 11.0592MHz external serial - clock - it will be more accurate for serial rates. For - now, however the baud rates in ep405.h are for the internal - clock. */ - chcr0 = mfdcr(DCRN_CHCR0); - if ( (chcr0 & 0x1fff) != 0x103e ) { - mtdcr(DCRN_CHCR0, (chcr0 & 0xffffe000) | 0x103e); - /* The following tricks serial_init() into resetting the baud rate */ - writeb(0, UART0_IO_BASE + UART_LCR); - } - - /* We haven't seen actual problems with the EP405 leaving the - * EMAC running (as we have on Walnut). But the registers - * suggest it may not be left completely quiescent. Reset it - * just to be sure. */ - mtdcr(DCRN_MALCR(DCRN_MAL_BASE), MALCR_MMSR); /* 1st reset MAL */ - while (mfdcr(DCRN_MALCR(DCRN_MAL_BASE)) & MALCR_MMSR) {}; /* wait for the reset */ - out_be32((unsigned *)EMAC0_BASE,0x20000000); /* then reset EMAC */ - - bd = &bdinfo; - *bdp = bd; -#if 1 - cp = (u_char *)0xF0000EE0; - for (;;) { - if (*cp == 'E') { - cp++; - if (*cp == 'A') { - cp += 2; - rpx_eth(bd, cp); - } - } - - if (*cp == 'D') { - cp++; - if (*cp == '1') { - cp += 2; - rpx_memsize(bd, cp); - } - } - - if (*cp == 'N') { - cp++; - if (*cp == 'V') { - cp += 2; - rpx_nvramsize(bd, cp); - } - } - while ((*cp != '\n') && (*cp != 0xff)) - cp++; - - cp++; - if ((*cp == 0) || (*cp == 0xff)) - break; - } - bd->bi_intfreq = 200000000; - bd->bi_busfreq = 100000000; - bd->bi_pci_busfreq= 33000000 ; -#else - - bd->bi_memsize = 64000000; - bd->bi_intfreq = 200000000; - bd->bi_busfreq = 100000000; - bd->bi_pci_busfreq= 33000000 ; -#endif -} -#endif |